DFM7 zone brachiopods, western Canada (Devonian of Canada)

Also known as Zone of Crurithyris youngstownensis

Where: Alberta, Canada (52.0° N, 111.0° W: paleocoordinates 9.1° S, 41.5° W)

• coordinate estimated from map

• basin-level geographic resolution

When: Late/Upper Famennian (364.7 - 360.7 Ma)

• Famennian; expansa conodont zone.

• formation-level stratigraphic resolution

Environment/lithology: marine; carbonate

• "Carbonate Succession" (with clastics in lower part)

Size class: macrofossils

Primary reference: G. O. Raasch. 1988. Famennian faunal zones in western Canada. In N. J. McMillan, A. F. Embry, and D. J. Glass (eds.), Devonian of the World, Volume III. Canadian Society of Petroleum Geologists. Calgary, Alberta, Canada 619-631 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 35544: authorized by Michael Foote, entered by Michael Foote on 19.12.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

 Productida - Productidae
""Avonia" defessa" = Leioproductus defessa Stainbrook 1947
 Orthotetida - Schuchertellidae
"Schellwienella percha" = Schuchertella percha
"Schellwienella percha" = Schuchertella percha Stainbrook 1947
 Athyridida - Athyrididae
 Spiriferida - Strophopleuridae
 Spiriferida - Cyrtospiriferidae
 Spiriferida - Brachythyrididae
 Spiriferida - Ambocoeliidae
 Spiriferida - Elythidae
 Rhynchonellida - Trigonirhynchiidae
"Camarotoechia sobrina" = Ptychomalotoechia sobrina
"Camarotoechia sobrina" = Ptychomalotoechia sobrina Stainbrook 1947
 Rhynchonellida - Petasmariidae
 Orthida - Schizophoriidae
"Schizophoria australis" = Schizophoria (Schizophoria) australis
"Schizophoria australis" = Schizophoria (Schizophoria) australis Kindle 1909